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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/any&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/any（页面不存在）"><span class="t-lines"><span>experimental::any</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/basic_string_view&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/basic string view（页面不存在）"><span class="t-lines"><span>experimental::basic_string_view</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="sample.html" title="cpp/experimental/sample"><span class="t-lines"><span>experimental::sample</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/shared_ptr&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/shared ptr（页面不存在）"><span class="t-lines"><span>experimental::shared_ptr</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="invocation_type.html" title="cpp/experimental/invocation type"><span class="t-lines"><span>experimental::invocation_type<br>experimental::raw_invocation_type</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/search&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/search（页面不存在）"><span class="t-lines"><span>experimental::search</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/default_searcher&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/default searcher（页面不存在）"><span class="t-lines"><span>experimental::default_searcher<br>experimental::make_default_searcher</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/boyer_moore_searcher&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/boyer moore searcher（页面不存在）"><span class="t-lines"><span>experimental::boyer_moore_searcher<br>experimental::make_boyer_moore_searcher</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/boyer_moore_horspool_searcher&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/boyer moore horspool searcher（页面不存在）"><span class="t-lines"><span>experimental::boyer_moore_horspool_searcher<br>experimental::make_boyer_moore_horspool_searcher</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/memory&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/memory（页面不存在）">类型擦除及多态分配器</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/type_trait_variable_templates&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/type trait variable templates（页面不存在）">类型特性的变量模板</a></td></tr>
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<tr class="t-nv-h2"><td colspan="5"> 内存资源类</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/memory_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/memory resource（页面不存在）"><span class="t-lines"><span>memory_resource</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/unsynchronized_pool_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/unsynchronized pool resource（页面不存在）"><span class="t-lines"><span>unsynchronized_pool_resource</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/monotonic_buffer_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/monotonic buffer resource（页面不存在）"><span class="t-lines"><span>monotonic_buffer_resource</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="resource_adaptor.html" title="cpp/experimental/resource adaptor"><span class="t-lines"><span>resource_adaptor</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 全局内存资源</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/new_delete_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/new delete resource（页面不存在）"><span class="t-lines"><span>new_delete_resource</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/null_memory_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/null memory resource（页面不存在）"><span class="t-lines"><span>null_memory_resource</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/get_default_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/get default resource（页面不存在）"><span class="t-lines"><span>get_default_resource</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/experimental/set_default_resource&amp;action=edit&amp;redlink=1" class="new" title="cpp/experimental/set default resource（页面不存在）"><span class="t-lines"><span>set_default_resource</span></span></a></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 既存类的类型擦除分配器支持</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><strong class="selflink"><span class="t-lines"><span>function</span></span></strong></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="lib_extensions/packaged_task.html" title="cpp/experimental/lib extensions/packaged task"><span class="t-lines"><span>packaged_task</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="lib_extensions/promise.html" title="cpp/experimental/lib extensions/promise"><span class="t-lines"><span>promise</span></span></a></div></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dsc-header">
<td> <div>定义于头文件 <code><a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/header/experimental/functional&amp;action=edit&amp;redlink=1" class="new" title="cpp/header/experimental/functional（页面不存在）">&lt;experimental/functional&gt;</a></code>
 </div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> <span class="sy1">&gt;</span><br>
<span class="kw1">class</span> function<span class="sy4">;</span> <span class="coMULTI">/* undefined */</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(库基础 TS)</span> </td>
</tr>
<tr class="t-dcl t-since-libfund_ts">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> R, <span class="kw1">class</span>... <span class="me1">Args</span> <span class="sy1">&gt;</span><br>
<span class="kw1">class</span> function<span class="sy1">&lt;</span>R<span class="br0">(</span>Args...<span class="br0">)</span><span class="sy1">&gt;</span></span></div></td>
<td class="t-dcl-nopad">  </td>
<td> <span class="t-mark-rev t-since-libfund-ts t-mark-ts">(库基础 TS)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p><code>std::experimental::function</code> 是 <span class="t-lc"><a href="../utility/functional/function.html" title="cpp/utility/functional/function">std::function</a></span> 的修改版本，支持类型擦除分配器。
</p>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">成员类型</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc-sep">
<td colspan="2">  
</td></tr>
<tr class="t-dsc-hitem">
<td> 类型
</td>
<td> 定义
</td></tr>


<tr class="t-dsc">
<td>  <code>allocator_type</code>
</td>
<td>  <span class="t-lc"><a href="erased_type.html" title="cpp/experimental/erased type">std::experimental::erased_type</a></span>
</td></tr>
</table>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">成员函数</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div t-dsc-member-nobold-div"><div><a href="function/function.html" title="cpp/experimental/function/function"> <span class="t-lines"><span>(构造函数)</span></span></a></div></div>
</td>
<td>  构造新的 <code>std::experimental::function</code> 实例 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="function/operator%3D.html" title="cpp/experimental/function/operator="> <span class="t-lines"><span>operator=</span></span></a></div></div>
</td>
<td>  赋值新目标 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="function/swap.html" title="cpp/experimental/function/swap"> <span class="t-lines"><span>swap</span></span></a></div></div>
</td>
<td>  交换内容 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="function/get_memory_resource.html" title="cpp/experimental/function/get memory resource"> <span class="t-lines"><span>get_memory_resource</span></span></a></div></div>
</td>
<td>  获得指向此对象用来分配内存的 memory_resource 的指针 <br> <span class="t-mark">(公开成员函数)</span> </td></tr>
</table>
<h3><span class="mw-headline" id=".E9.9D.9E.E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">非成员函数</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="function/swap2.html" title="cpp/experimental/function/swap2"> <span class="t-lines"><span>std::experimental::swap<span class="t-dsc-small">(std::experimental::function)</span></span></span></a></div></div>
</td>
<td>  特化 <code>swap</code> 算法 <br> <span class="t-mark">(函数模板)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="function/operator_cmp.html" title="cpp/experimental/function/operator cmp"> <span class="t-lines"><span>operator==</span><span>operator!=</span></span></a></div></div>
</td>
<td>  比较 <span class="t-lc">std::experimental::function</span> 和 <span class="t-c"><span class="mw-geshi cpp source-cpp">nullptr</span></span> <br> <span class="t-mark">(函数模板)</span> </td></tr>
</table>
<h3><span class="mw-headline" id=".E8.BE.85.E5.8A.A9.E7.B1.BB">辅助类</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="function/uses_allocator.html" title="cpp/experimental/function/uses allocator"> <span class="t-lines"><span>std::uses_allocator<span class="t-dsc-small">&lt;std::experimental::function&gt;</span></span></span></a></div></div>
</td>
<td>  特化 <span class="t-lc"><a href="../memory/uses_allocator.html" title="cpp/memory/uses allocator">std::uses_allocator</a></span> 类型特性 <br> <span class="t-mark">(类模板特化)</span> </td></tr>
</table>
<div style="overflow: hidden; margin: 1em 0 0 0; border: 1px solid #aaa; background-color: #e3f9df; padding: 0.2em 1em 1em 1em;" id="identical-">
<h2> <span class="mw-headline" id=".E7.AD.89.E5.90.8C.E4.BA.8E_std::function_.E7.9A.84.E6.88.90.E5.91.98">等同于 <span style="font-size:0.7em; line-height:130%">std::</span>function 的成员</span></h2>
<h3> <span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B_2">成员类型</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc-sep">
<td colspan="2">  
</td></tr>
<tr class="t-dsc-hitem">
<td> 类型
</td>
<td> 定义
</td></tr>


<tr class="t-dsc">
<td>  <code>result_type</code>
</td>
<td>  <code>R</code>
</td></tr>

<tr class="t-dsc">
<td>  <code>argument_type</code>
</td>
<td> 若 <span class="t-c"><span class="mw-geshi cpp source-cpp">sizeof...<span class="br0">(</span>Args<span class="br0">)</span><span class="sy1">==</span><span class="nu0">1</span></span></span> ，且 <code>T</code> 为 <code>Args...</code> 中第一个并为唯一的类型则为 <code>T</code>
</td></tr>

<tr class="t-dsc">
<td>  <code>first_argument_type</code>
</td>
<td> 若 <span class="t-c"><span class="mw-geshi cpp source-cpp">sizeof...<span class="br0">(</span>Args<span class="br0">)</span><span class="sy1">==</span><span class="nu0">2</span></span></span> 且 <code>T1</code> 为 <code>Args...</code> 中二个类型的第一个则为 <code>T1</code>
</td></tr>

<tr class="t-dsc">
<td>  <code>second_argument_type</code>
</td>
<td> 若 <span class="t-c"><span class="mw-geshi cpp source-cpp">sizeof...<span class="br0">(</span>Args<span class="br0">)</span><span class="sy1">==</span><span class="nu0">2</span></span></span> 且 <code>T2</code> 为 <code>Args...</code> 中二个类型的第二个则为 <code>T2</code>
</td></tr>
</table>
<h3> <span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0_2">成员函数</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div t-dsc-member-nobold-div"><div><a href="../utility/functional/function/~function.html" title="cpp/utility/functional/function/~function"> <span class="t-lines"><span>(析构函数)</span></span></a></div></div>
</td>
<td>  析构 <span class="t-lc"><a href="../utility/functional/function.html" title="cpp/utility/functional/function">std::function</a></span> 实例 <br> <span class="t-mark">(<code>std::function&lt;R(Args...)&gt;</code> 的公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../utility/functional/function/operator_bool.html" title="cpp/utility/functional/function/operator bool"> <span class="t-lines"><span>operator bool</span></span></a></div></div>
</td>
<td>   检查是否包含了有效的目标 <br> <span class="t-mark">(<code>std::function&lt;R(Args...)&gt;</code> 的公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../utility/functional/function/operator%28%29.html" title="cpp/utility/functional/function/operator()"> <span class="t-lines"><span>operator()</span></span></a></div></div>
</td>
<td>   调用其目标 <br> <span class="t-mark">(<code>std::function&lt;R(Args...)&gt;</code> 的公开成员函数)</span> </td></tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id=".E7.9B.AE.E6.A0.87.E8.AE.BF.E9.97.AE"> 目标访问 </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../utility/functional/function/target_type.html" title="cpp/utility/functional/function/target type"> <span class="t-lines"><span>target_type</span></span></a></div></div>
</td>
<td>   获得 <span class="t-lc"><a href="../utility/functional/function.html" title="cpp/utility/functional/function">std::function</a></span> 所存储的目标的<span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">typeid</span></span></span> <br> <span class="t-mark">(<code>std::function&lt;R(Args...)&gt;</code> 的公开成员函数)</span> </td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../utility/functional/function/target.html" title="cpp/utility/functional/function/target"> <span class="t-lines"><span>target</span></span></a></div></div>
</td>
<td>   获得指向 <span class="t-lc"><a href="../utility/functional/function.html" title="cpp/utility/functional/function">std::function</a></span> 所存储的目标的指针  <br> <span class="t-mark">(<code>std::function&lt;R(Args...)&gt;</code> 的公开成员函数)</span> </td></tr>
</table>
</div>

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